http://en.wikipedia.org/wiki/Thomas_Holland_%28translator%29 http://en.wikipedia.org/wiki/Periodic_Table http://en.wikipedia.org/wiki/List_of_mind_mapping_software http://en.wikipedia.org/wiki/List_of_Unified_Modeling_Language_tools http://en.wikipedia.org/wiki/List_of_Unix_utilities http://en.wikipedia.org/wiki/Usage_share_of_operating_systems